Name : Joel Koh ( 13 ) 2p3
Compound selected: Calcium chloride (CaCl2)
Chemical bonding involved: ionic bond
Short write-up
Calcium chloride is made up of calcium and chlorine. Calcium chloride is a classified as a harmful substance, many used for ice control on roads and hardening the ground of the swimming pool . Calcium chloride is known to be able to used as an irritant on desiccating moist skin
, when ingested might cause ulceration.
On the other hand both calcium and chlorine is harmless. Calcium is a metallic element, some of it’s uses include: making of cheese, in the making of cement and mortars. Chlorine is a non-metallic element, it is commonly found in the swimming pools to kill bacteria.
Two chlorine atom and one calcium atom is required to form a molecule of Calcium Chloride . The calcium atom gives one electron to each of the calcium electron so that it can form an ionic bond .
Calcium chloride can serve as a source of calcium ions in a solution as, unlike many other calcium compounds, calcium chloride is soluble. This property can be useful for displacing ions from solution. For example, phosphate is displaced from solution by calcium:
3 CaCl2 (aq) + 2 K3PO4 (aq) →Ca3(PO4)2 (s) + 6 KCl (aq)
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